5Pcs 1/4 Inch Double Cut Tungsten Carbide Burr Die Grinder Shank Bit Set✈
Machining hardness HRC70, for the most work, burr set it can replace Petiole small wheel. 5 Burr Bits. It is comparable with corundum (α-Al2O3) in hardness. For electric or pneumatic tool drive (can also be used in machine tool).